Hisayoshi Shiraishi

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal projection display
- Patent number 4,952,034
- Issue date Aug 28, 1990
- Hitachi, Ltd.
- Noboru Azusawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal projection display having laser intensity varied acc...
- Patent number 4,810,064
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Noboru Azusawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pulse width modulation pulse generator
- Patent number 4,628,475
- Issue date Dec 9, 1986
- Hitachi, Ltd.
- Noboru Azusawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for controlling a thyristor converter in respo...
- Patent number 4,571,668
- Issue date Feb 18, 1986
- Hitachi, Ltd.
- Noboru Azusawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal transmitting and receiving apparatus
- Patent number 4,366,478
- Issue date Dec 28, 1982
- Hitachi, Ltd.
- Ikuro Masuda
- G06 - COMPUTING CALCULATING COUNTING